{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "hyponym of", "compare"], "input": "This system can be a very useful tool for linguistic knowledge discovery and other NLP tasks ."}
{"used for": [{"subject": "tool", "object": "linguistic knowledge discovery"}, {"subject": "tool", "object": "NLP tasks"}], "hyponym of": [], "compare": []}